November 1925 to October 1926
Volume 1-1 November 1925 - December 1925
Volume 1-2 January 1926 - February 1926
Volume 1-3 March 1926 - April 1926
Volume 1-4 May 1926 - June 1926
Volume 1-5 July 1926 - August 1926
Volume 1-6 September 1926 - October 1926